Bluetooth® Device Addresses LMX9830 National Semiconductor Applic

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Bluetooth Device Addresses LMX9830
Bluetooth® Device Addresses LMX9830
National Semiconductor Application Note FEBRUARY 2006
Scope
This application note intended designers using summary decision process when purchasing BlueLMX9830 Bluetooth module. explains unique Blue- tooth Device Addresses shown Figure tooth Device Address (BD_ADDR) required each device, structure BD_ADDR, request range addresses from IEEE.
Product
<4097
many BD_ADDRs required production?
>4097 <16,772,152
Decide become Publicly Registered Privately Registered.
already have IAB?
already have OUI?
Purchase from IEEE. Have used >95% your Extension Identifiers?
Purchase from IEEE. Have used >95% your Extension Identifiers?
existing IAB.
Purchase from IEEE.
existing OUI.
Purchase from IEEE.
Figure Decision Process Purchasing Bluetooth Device Addresses
Bluetooth registered trademark Bluetooth SIG, Inc. used under license National Semiconductor.
©2006 National Semiconductor Corporation
BD_ADDRs Needed?
Each Bluetooth device requires unique 48-bit address known Bluetooth Device Address BD_ADDR. device-specific BD_ADDR plays central role Bluetooth system, such seeding algorithms required implement core functionality. used during physical connection establishment (paging) discovery (inquiry). also used Bluetooth communication protocol stack maintain link layer security.
BD_ADDR Interpretation
BD_ADDR divided into three fields: Lower Address Part (LAP) consisting bits. Upper Address Part (UAP) consisting bits. Non-significant Address Part (NAP) consisting bits. form "significant" part BD_ADDR, because they used seeding many algorithms, such those which create Channel Code Values determine Frequency Hopping Sequence. "non-significant" because degree device-to-device randomness, therefore limited utility seeding Bluetooth algorithms. Figure shows example BD_ADDR. company_assigned company_id
BD_ADDR Structure
BD_ADDR consists 24-bit Organizationally Unique Identifier (OUI) assigned IEEE Registration Authority (IEEE/RAC) particular organization. This globally unique assigned number. concatenated with 24-bit extension identifier assigned IEEE/RAC create 48-bit Extended Unique Identifier (EUI-48) that unique specific device. Because bits long, approximately million blocks issued manufacturers. 24-bit extension identifier gives each manufacturer approximately million BD_ADDRs block.
0000 0001 0000 0000 0000 0000 0001 0010 0111 1011 0011 0101 Figure BD_ADDR Format
example device EUI-48, assume that manufac- BD_ADDR have values except those containturer's IEEE-assigned value 00-00-91 (hexadecimal, address block from 0x9E8B00-0x9E8B3F, little endian), manufacturer-selected extension which reserved Bluetooth inquiry operations. identifier given component E0-82-25 (hexadecimal, little endian). EUI-48 value generated from these BD_ADDR Administration numbers 00-00-91-E0-82-25. IEEE assigns 24-bit values. These assignments public, that EUI-48 value identifies organization that provided address. IEEE/RAC control over assignments extension identifiers assumes liability assignments duplicate EUI48 identifiers within manufacturer's range. terms EUI-48 EUI-64 trademarked IEEE. Companies allowed these terms commercial purposes, only their been reviewed IEEE/RAC proposed products using EUI-48 EUI-64 conform their specifications. Figure BD_ADDR Captured Anritsu MT8852A Bluetooth Test
Extension Identifier
Each allows assignee generate approximately million unique EUI-48 values that differ only extension identifiers. responsibility assignee create unique extension identifiers each device. Registration Authority requires that existing values assignee's address space have been allocated before second number issued. this requirement cannot met, IEEE issue additional your company provided that send letter company letterhead stating that will ship product assigned until existing numbers based that used. Your company must ensure that large blocks 48-bit numbers left unused. Exceptions this policy rarely granted.
Individual Address Block (IAB)
Individual Address Block (IAB) companies need less than 4097 unique 48-bit numbers (EUI-48) therefore find hard justify buying their block. uses special belonging IEEE/RAC, concatenated with additional IEEE-provided bits, leaving only bits allocating 4096 devices.
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LMX9830 Bluetooth Module
Once application successfully submitted, confirmation e-mail with tracking number additional inforThe LMX9830 ROM-based, therefore cannot prepro- mation will sent Requestor. applications grammed with BD_ADDR. BD_ADDR preloaded processed within seven working days from receipt EEPROM downloaded host application application payment. there problems with application (incomplete information, lack usage percent9.0 Obtain letter existing assignment), payment (declined, obtain OUI, complete listed steps: received), application will placed hold until issue rectified. applications expire after days. Visit Requestor will receive e-mail with assignment Search public listings determine information after application processed. whether your company parent/subsidiary compaIf company already assignment, send e-mail nies already assignment. IEEE Registration Authority requesting contact Complete submit application (https://stan- information company, then make arrangements within your company your existing IAB.
Figure Application Form
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Bluetooth Device Addresses LMX9830
10.0 Costs
following pricing information accurate February 2006. have annual fees. also registered confidential number. This incurs extra up-front fees yearly fee, Table
Table Fees BD_ADDR Allocation Service Type Publicly Registered (Company name address public listing) Publicly Registered (Company name address public listing) Privately Registered (Company name address public listing) Yearly Confidentiality Renewal (for privately registered assignments only) Number Unique Identifiers Required <4097 >4097 <16,777,152 US$550
US$1,650 US$1,650 US$2,000 (privacy fee) US$3,650 US$2000
11.0 References
IEEE site (ieee.org). Specification Bluetooth System (Core 1.2). Information included this document obtained from IEEE site could change time. recommended that user read FAQ's IEEE site additional details. National Semiconductor cannot accept liability damages resulting from information given this document.
National does assume responsibility circuitry described, circuit patent licenses implied National reserves right time without notice change said circuitry specifications. most current product information visit www.national.com.
LIFE SUPPORT POLICY NATIONAL'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT GENERAL COUNSEL NATIONAL SEMICONDUCTOR CORPORATION. used herein:
Life support devices systems devices systems which, intended surgical implant into body, support sustain life, whose failure perform, when properly used accordance with instructions provided labeling, reasonably expected result significant injury user. critical component component life support device system whose failure perform reasonably expected cause failure life support device system, affect safety effectiveness.
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